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Breast Disease

Which of the following is the LEAST common presentation of breast disease in women?

a. Breast pain

b. Palpable mass

c. Nipple discharge

d. Skin abnormalities

The normal saccular dilation of the largest breast ducts beneath the nipple is referred to by what name?

a. Ductal lacuna

b. Lactiferous sinus

c. Infraareolar plexus

d. Areolar ductal plexus

The areola contains numerous lubricating sebaceous glands referred to as which of the following?

a. Areolar glands

b. Montgomery glands

c. Mammosebaceous units

d. Mammolactiferous glands

Which group of lymph nodes receives most of the lymphatic drainage from the breasts and are there­fore most often involved by breast cancer metastases?

a. Axillary

b. Supraclavicular

c. External mammary

d. Internal mammary

The primordial breast develops from which of the following tissues?

a. Mesoderm

b. Primitive fat lobules

c. Basal layer of the epidermis

d. Multipotent cells within the dermis

Final histologic differentiation of breast tissue is not completed until which of the following occurs?

a. Menarche

b. Onset of puberty

c. First full-term pregnancy

d. Breastfeeding for several months

Most benign and malignant breast diseases occur within the breast structures that are most sensitive to ovarian hormones and prolactin. Which structures are these?

a. Lobular fat

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